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Release: Prerelease 10.3.0-alpha.14#33981

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yannbf merged 79 commits into
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version-non-patch-from-10.3.0-alpha.13
Mar 4, 2026
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Release: Prerelease 10.3.0-alpha.14#33981
yannbf merged 79 commits into
next-releasefrom
version-non-patch-from-10.3.0-alpha.13

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@github-actions github-actions Bot commented Mar 3, 2026

This is an automated pull request that bumps the version from 10.3.0-alpha.13 to 10.3.0-alpha.14.
Once this pull request is merged, it will trigger a new release of version 10.3.0-alpha.14.
If you're not a core maintainer with permissions to release you can ignore this pull request.

To do

Before merging the PR, there are a few QA steps to go through:

  • Add the "freeze" label to this PR, to ensure it doesn't get automatically forced pushed by new changes.
  • Add the "ci:daily" label to this PR, to trigger the full test suite to run on this PR.

And for each change below:

  1. Ensure the change is appropriate for the version bump. E.g. patch release should only contain patches, not new or de-stabilizing features. If a change is not appropriate, revert the PR.
  2. Ensure the PR is labeled correctly with one of: "BREAKING CHANGE", "feature request", "bug", "maintenance", "dependencies", "documentation", "build", "unknown".
  3. Ensure the PR title is correct, and follows the format "[Area]: [Summary]", e.g. "React: Fix hooks in CSF3 render functions". If it is not correct, change the title in the PR.
    • Areas include: React, Vue, Core, Docs, Controls, etc.
    • First word of summary indicates the type: “Add”, “Fix”, “Upgrade”, etc.
    • The entire title should fit on a line

This is a list of all the PRs merged and commits pushed directly to next, that will be part of this release:

  • 🔧 Maintenance: UI: Allow direct kb/mouse actions on zoom tool button #33496
  • 🐛 Bug: Core: Add host/origin validation to requests and websocket connections #33835
  • 🐛 Bug: CSF-Factories: Fix ConfigFile parser false warning on definePreview({...}).type<T>() export default #33885 (will also be patched)
  • ✨ Feature Request: Core: Zoom tool refinements - Hide reset button when value is initial #33635
  • 🐛 Bug: Core: Storybook failed to load iframe.html when publishing #33896 (will also be patched)
  • 🐛 Bug: Manager-API: Update refs sequentially in experimental_setFilter #33958 (will also be patched)
  • 🐛 Bug: Docs: Edit JSON button is now accessible at 320x256 viewport (WCAG 2.1 Reflow test) #33707
  • 🏗️ Build: Build: Fix copilot instructions #33994
  • ❔ Missing Label: Core: Update TagOptions to allow undefined defaultFilterSelection and add tests for TagsOptions #33895
  • 📝 Documentation: Docs: Add TableOfContents API reference page #33934
  • 📝 Documentation: Docs: Adjust Next.js snippets to include draftmode #33968
  • 📝 Documentation: Docs: Update supported versions and security patching details #33842 (will also be patched)
  • 📝 Documentation: Docs: Mention React version requirement for addons #33610

If you've made any changes doing the above QA (change PR titles, revert PRs), manually trigger a re-generation of this PR with this workflow and wait for it to finish. It will wipe your progress in this to do, which is expected.

Feel free to manually commit any changes necessary to this branch after you've done the last re-generation, following the Make Manual Changes section in the docs, especially if you're making changes to the changelog.

When everything above is done:


Generated changelog

10.3.0-alpha.14

  • CSF-Factories: Fix ConfigFile parser false warning on definePreview({...}).type<T>() export default - #33885, thanks copilot-swe-agent!
  • Core: Add host/origin validation to requests and websocket connections - #33835, thanks ghengeveld!
  • Core: Storybook failed to load iframe.html when publishing - #33896, thanks danielalanbates!
  • Core: Zoom tool refinements - Hide reset button when value is initial - #33635, thanks superLipbalm!
  • Docs: Edit JSON button is now accessible at 320x256 viewport (WCAG 2.1 Reflow test) - #33707, thanks TheSeydiCharyyev!
  • Manager-API: Update refs sequentially in experimental_setFilter - #33958, thanks ia319!
  • UI: Allow direct kb/mouse actions on zoom tool button - #33496, thanks Sidnioulz!

superLipbalm and others added 30 commits January 24, 2026 22:54
…ns, use column layout on small screens for WCAG 2.1 Reflow
- Updated `dev-server.ts` to expose local and network addresses for QR code link sharing.
- Refactored `get-server-channel.ts` to accept options and validate WebSocket origins.
- Removed the deprecated `validate-websocket-token.ts` and integrated its functionality into `validate-websocket.ts`.
- Enhanced tests in `server-channel.test.ts` and added new tests in `validate-websocket.test.ts` to cover origin and token validation scenarios.

This change enhances security and usability for WebSocket connections.
Clarified security patching policy for supported versions and updated example version.
Clarified the policy on backporting security fixes and specified supported versions based on CVSS scores.
Co-authored-by: valentinpalkovic <5889929+valentinpalkovic@users.noreply.github.com>
…subpath

When Storybook is hosted at a subpath without a trailing slash (e.g.
`/design-system`), the previous regex `/\/[^/]*$/` would strip the
entire last path segment and replace it with `/`, losing the subpath
prefix and producing `/iframe.html` instead of `/design-system/iframe.html`.

Fix: only strip the last segment if it looks like an HTML file (ends in
`.html`), then ensure a trailing slash before appending `iframe.html`.
This correctly handles all cases:
- `/`                    → `/iframe.html`
- `/index.html`          → `/iframe.html`
- `/design-system`       → `/design-system/iframe.html`
- `/design-system/`      → `/design-system/iframe.html`
- `/design-system/index.html` → `/design-system/iframe.html`

Fixes #33848
…e validation logic to default to allowing all hosts when host is set to '0.0.0.0' and inherit Storybook's allowedHosts configuration in Vite config.
Co-authored-by: Kyle Gach <kyle.gach@gmail.com>
Co-authored-by: valentinpalkovic <5889929+valentinpalkovic@users.noreply.github.com>
…dation logic

- Updated package.json to include host-validation-middleware@^0.1.2.
- Integrated host-validation-middleware in dev-server for improved host validation.
- Refactored WebSocket validation logic to utilize host-validation-middleware for origin and token checks.
- Adjusted tests to reflect changes in validation logic and ensure proper functionality.
- Removed the deprecated host-validation-middleware import from dev-server.
- Updated get-server-channel to use isValidHost for origin validation.
- Added isValidHost function to getHostValidationMiddleware for improved host validation.
- Introduced validate-token utility for secure token validation.
- Removed obsolete validate-websocket utility and its associated tests.
- Updated tests for getHostValidationMiddleware to reflect new validation logic and added tests for isValidToken.
Co-authored-by: jonniebigodes <joaocontadesenvolvimento@gmail.com>
Sidnioulz and others added 6 commits March 3, 2026 10:34
…on-when-value-is-initial

Core: Zoom tool refinements - Hide reset button when value is initial
Co-authored-by: valentinpalkovic <5889929+valentinpalkovic@users.noreply.github.com>
@github-actions github-actions Bot requested a review from kylegach as a code owner March 3, 2026 10:09
@github-actions github-actions Bot added the release For PRs that trigger new releases. Automated label Mar 3, 2026
@github-actions github-actions Bot requested a review from jonniebigodes as a code owner March 3, 2026 10:09
@github-actions github-actions Bot added the release For PRs that trigger new releases. Automated label Mar 3, 2026
ghengeveld and others added 4 commits March 3, 2026 12:36
…ser-warning

CSF-Factories: Fix ConfigFile parser false warning on `definePreview({...}).type<T>()` export default
…ntents-documentation

Docs: Add TableOfContents API reference page
Core: Update TagOptions to allow undefined defaultFilterSelection and add tests for TagsOptions
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.3.0-alpha.13 branch from 0340279 to 031ace8 Compare March 3, 2026 12:44
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.3.0-alpha.13 branch from 031ace8 to 69291ca Compare March 3, 2026 15:05
UI: Allow direct kb/mouse actions on zoom tool button
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.3.0-alpha.13 branch from 69291ca to 8d9040c Compare March 3, 2026 16:20
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.3.0-alpha.13 branch from 8d9040c to 8f6f950 Compare March 3, 2026 20:50
@yannbf yannbf added ci:daily Run the CI jobs that normally run in the daily job. freeze Freeze the Release PR with this label labels Mar 4, 2026
@yannbf yannbf merged commit 6ef1c07 into next-release Mar 4, 2026
295 of 298 checks passed
@yannbf yannbf deleted the version-non-patch-from-10.3.0-alpha.13 branch March 4, 2026 10:48
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